Article Photos: Report: Oklahoma-Nebraska football series to be renewed in 2021 and 2022 1/5

COLLEGE FOOTBALL / BIG 12 CHAMPIONSHIP: Oklahoma's Tony Jefferson (1) stops Nebraska's Joe Broekemeier (9) during the Big 12 football championship game between the University of Oklahoma Sooners (OU) and the University of Nebraska Cornhuskers (NU) at Cowboys Stadium on Saturday, Dec. 4, 2010, in Arlington, Texas.  Photo by Chris Landsberger, The Oklahoman ORG XMIT: KOD